Thermal performances and emitter efficiency improvement studies on premixed micro-combustors with different geometric shapes for thermophotovoltaics applications

Ni, Siliang; Zhao, Dan; Sellier, Mathieu; Li, Junwei; Chen, Xinjian; Li, Xinyan; Cao, Feng; Li, Weixuan

doi:10.1016/j.energy.2021.120298

Cited by 30 publications

(1 citation statement)

References 49 publications

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“…Moreover, at premixed mode and low hydrogen/air equivalence ratios, the thermal performance was enhanced. Ni et al [ 24 ] evaluated the thermal performance and emitter efficiency of two unconventional micro-combustors, the T-shaped and Y-shaped designs, using both experimental and numerical methods. Their proposed combustion systems were contrasted with the conventional premixed I-shaped microcombustor fueled by

.…”

Section: Introductionmentioning

confidence: 99%

Comparative study of combustion and thermal performance of a meso-scale combustor under co- and counter-rotating fuel and oxidizer swirling flows for micro power generators

Sheykhbaglou,

Ghahremani,

Tabejamaat

et al. 2024

Heliyon

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.…”

Section: Introductionmentioning

confidence: 99%

Comparative study of combustion and thermal performance of a meso-scale combustor under co- and counter-rotating fuel and oxidizer swirling flows for micro power generators

Sheykhbaglou,

Ghahremani,

Tabejamaat

et al. 2024

Heliyon

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A Single Spectral Optical Path Design of the Thermophotovoltaic System for Improving Irradiance Intensity and Uniformity

Liu

Chen

et al. 2022

Energy Tech

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In the thermophotovoltaic (TPV) system, thermophotovoltaic cells can produce a high output power density. According to existing research results, concentrated irradiance is adopted to achieve high‐level thermophotovoltaic cell output. However, irradiance nonuniformity on the surface of the thermophotovoltaic cell can occur when the energy is concentrated. Such nonuniformity will destroy the balance of temperature and cause a spectrum mismatch of the cell, which will also reduce the reusability. To address these problems, a single spectral TPV optical path with spectral selectivity is proposed. Between the filter and the thermophotovoltaic cell module, a four‐prismatic straight funnel is designed and added. The Monte Carlo ray‐tracing method is used to examine the irradiance intensity and uniformity of the cell surface. The current–voltage characteristics of the cell module are computed using a single‐diode model. The results indicate that the uniformity of the TPV cell module can be maintained above 90% and the average cell module power density is 0.0861 W cm−2 with the addition of a four‐prismatic straight funnel. Meanwhile, the network efficiency and the system efficiency are 82.76% and 4.56%, respectively.

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Enhancing thermal and exergy performances in a CO2-Free micro-combustor with reverse flow double-channel outlet structure

Hui

Zhao

Cai

et al. 2023

Applied Thermal Engineering

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Thermal performances and emitter efficiency improvement studies on premixed micro-combustors with different geometric shapes for thermophotovoltaics applications

Cited by 30 publications

References 49 publications

Comparative study of combustion and thermal performance of a meso-scale combustor under co- and counter-rotating fuel and oxidizer swirling flows for micro power generators

Comparative study of combustion and thermal performance of a meso-scale combustor under co- and counter-rotating fuel and oxidizer swirling flows for micro power generators

A Single Spectral Optical Path Design of the Thermophotovoltaic System for Improving Irradiance Intensity and Uniformity

Enhancing thermal and exergy performances in a CO2-Free micro-combustor with reverse flow double-channel outlet structure

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